Anchorage, AK
I am in need of a few photos of the solenoid expander board as installed. Thanks
(Topic ID: 186100)
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Black Belt
Bally, 1986
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Quoted from FireballAK:I am in need of a few photos of the solenoid expander board as installed. Thanks
I can snap a picture, but I don't know what/where is the solenoid expander board.
It's on the bottom side of play field by the right flipper. Top right corner with play field leaning on the back box.
Thanks for the photos, mine is wired the same. Can you measure the voltage on the blu/blk wire at pin 5. Mine is at 4.5. Also can you measure the volts on the bright lights. I have 44 on the black/red side and 62 on the other.
My blue/black (pin 5) to gnd jumps around 0-1V. Pin 9 (black/red) is at 44V; Pins 2 and 3 are at 10V. Pin7 is at 44 when plugged into the board (relay). What are you trying to diagnose? Looking at the schema for the board, pins 5 and 7 are for the relay. 5 is open at rest and 7 is close at rest for the current coming from pin 9.
One more thing, if the flippers aren't working, there is a 3/4A slow blow fuse under the playfield near this board. Check to make sure that is good (take out, check with DMM).
My issue is that the kick out coil will be weak at times. It will stutter and not kick the ball out. In test mode it will work 100%. Pin 5 on the SEB is landed to the center lug of the kick out coil. The bright lights are on the opened side or the SEB pin 7. Should I be getting 44 volts from pin 5?
Just to make sure:
Testing the coil: works 100%
Game play: some problems
I'm going to guess that you have a cold solder joint or a flakey relay. Especially since the board question is on the playfield next to the flippers and eject coil. First check for cold solder joints on that board or just reflow all the solder joints and see if that helps. Also check the wires soldered to the coil.
New SEB and new kick out coil. No change. Switch 30 right ramp makes the kick out coil stutter. The top and right bright lights flash and the coil starts to stutter. Replaced/verified all diodes on the black/blue coil loop. New diode on switch 30. The coil does work 100% in test but has problems in game play.
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